Home / 141,570.35-195,367.11-77,908.15

Finding the Fourth Proportional to 141,570.35, 195,367.11 and 77,908.15

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Solution

The fourth proportional to 141,570.35, 195,367.11 and 77,908.15 is: 107,513.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,570.35 : 195,367.11 = 77,908.15 : x
  2. Step 2: Convert to fraction form
    141,570.35/195,367.11 = 77,908.15/x
  3. Step 3: Cross multiply
    141,570.35x = 195,367.11 × 77,908.15
  4. Step 4: Simplify right side
    141,570.35x = 15,220,689,134.11
  5. Step 5: Solve for x
    x = 15,220,689,134.11/141,570.35
  6. Step 6: Final answer
    x = 107,513.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.